Cappella Palatina
data21/P84
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Geometry
- The symmetry group of the tiling is *632 (p6m).
- All the internal angles of the constituent polygons are a multiple of 60°.
- Contains one regular two-pointed star polygon with vertex angle of 60°.
- Contains two regular 6-pointed star polygons with vertex angle of 60°.
- There is one non-regular reflective tile.
- The tiling satisfies the interlace condition and has one finite interlace and no infinite interlace with straight cross-overs.
- The tiling is edge-to-edge.
- As drawn, contains about 103 polygons.
References
Publications referenced:
- Page 111 (With elaborate decoration from Cappella Palatina, Palazzo dei Normanni, Palermo) of F M Hessemer. Historic Designs and Patterns in Color, Dover, a1840. ISBN 048626425. [hessemer] {This collection is unusual in giving the source for almost all the patterns.} Available on Internet.(1132-40AD, 525-34AH)
- Page 151 of S J Abas and A S Salman. Symmetries of Islamic Geometrical Patterns, World Scientific, 1993. ISBN 981021704. [abas] {Very many patterns in black and white.}
- Page 84 of David Wade. Pattern in Islamic Art, Studio Vista, 1976. ISBN 028970719. [wade] {Some beautiful coloured patterns, but source not given.}
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